Bill,
the article does mention construction insulation being a factor, i meant adding insulation bettween fixture & outlet box, as a means of protecting overheating of old NM.
Ben;
I'm sure heat dissapation could be addressed in a fixture. I'll never be on the dean's list, but even i could choke up an idea or two...
try this;
A 3" thick circular spacer made of non-flammable insulative material , to be installed bettween fixtures that require 90 deg wire, and old 60 deg NM. NRTL approved.
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